---
description: Review of Sentry Email Defense Service Software: system overview, features, price and cost information. Get free demos and compare to similar programs on Software Advice Ireland.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/software_advice/og_logo-55146305bbe7b450bea05c18e9be9c9a.png
title: Sentry Email Defense Service | Reviews, Pricing & Demos - SoftwareAdvice IE
---

Breadcrumb: [Home](/) > [Secure Email Gateway Software](/directory/4447/secure-email-gateway/software) > [Sentry Email Defense Service](/software/241895/sentry-email-defence-service) > [Sentry Email Defense Service Alternatives](https://www.softwareadvice.ie/alternatives/241895/sentry-email-defence-service)

# Alternatives to Sentry Email Defense Service

Canonical: https://www.softwareadvice.ie/alternatives/241895/sentry-email-defence-service

> Explore the top alternatives to Sentry Email Defense Service. Compare features, ratings, and reviews to find the best software for your needs.

-----

## Top Alternatives

1. **Trustifi** — 5.0/5 (20 reviews) — AI-Powered Protection for Business Email Security -Stop sophisticated attacks before they reach a user's inbox -Ensur...
   - [View profile](https://www.softwareadvice.ie/software/439531/trustifi)
   - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/241895/439531/sentry-email-defence-service/vs/trustifi)
2. **SpamTitan** — 4.6/5 (563 reviews) — SpamTitan is a spam filtering solution that caters to businesses, managed service providers (MSPs) and schools to hel...
   - [View profile](https://www.softwareadvice.ie/software/243039/spamtitan)
   - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/241895/243039/sentry-email-defence-service/vs/spamtitan)
3. **Microsoft Defender for Office 365** — 4.6/5 (241 reviews) — Microsoft Defender for Office 365 is a cloud-based solution that provides businesses with tools to identify, investig...
   - [View profile](https://www.softwareadvice.ie/software/397740/microsoft-defender-for-office-365)
   - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/241895/397740/sentry-email-defence-service/vs/microsoft-defender-for-office-365)
4. **ESET Endpoint Security** — 4.7/5 (1170 reviews) — ESET Endpoint Security software offers robust cybersecurity solutions for organizations with 250+ employees. This ver...
   - [View profile](https://www.softwareadvice.ie/software/134149/eset-endpoint-security)
   - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/134149/241895/eset-endpoint-security/vs/sentry-email-defence-service)
5. **Topsec Cloud Solutions** — 4.9/5 (69 reviews) — Topsec Cloud Solutions is a managed email and web security solution. The cloud-based system helps users manage and pr...
   - [View profile](https://www.softwareadvice.ie/software/272403/blockmail)
   - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/241895/272403/sentry-email-defence-service/vs/blockmail)
6. **Graphus** — 4.3/5 (27 reviews) — Graphus is a cloud-based anti-phishing and email security solution, designed to protect enterprises against credentia...
   - [View profile](https://www.softwareadvice.ie/software/426999/graphus)
   - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/241895/426999/sentry-email-defence-service/vs/graphus)
7. **ContentCatcher** — 4.9/5 (12 reviews) — ContentCatcher is a cloud-based, anti-spam and email security solution designed to help businesses of all sizes manag...
   - [View profile](https://www.softwareadvice.ie/software/181507/contentcatcher)
   - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/181507/241895/contentcatcher/vs/sentry-email-defence-service)
8. **McAfee Security for Email Servers** — 4.6/5 (50 reviews) — McAfee Security for Email Servers is a cloud-based solution, designed to help enterprises detect and block viruses, w...
   - [View profile](https://www.softwareadvice.ie/software/247136/mcafee-security-for-email-servers)
   - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/241895/247136/sentry-email-defence-service/vs/mcafee-security-for-email-servers)
9. **SpamHero** — 4.5/5 (15 reviews) — SpamHero offers a cloud-hosted spam filtering solution that can prevent spam and phishing attacks from reaching your ...
   - [View profile](https://www.softwareadvice.ie/software/307531/spamhero)
   - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/241895/307531/sentry-email-defence-service/vs/spamhero)
10. **Security Gateway by MDaemon** — 4.9/5 (15 reviews) — Security Gateway by MDaemon is an anti-spam software designed to help businesses in the healthcare, finance, educatio...
    - [View profile](https://www.softwareadvice.ie/software/214939/security-gateway-by-mdaemon)
    - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/214939/241895/security-gateway-by-mdaemon/vs/sentry-email-defence-service)
11. **Symantec Email Security.cloud** — 4.5/5 (159 reviews) — Email Security.cloud is a cloud-based solution designed to help businesses prevent email and malware threats across b...
    - [View profile](https://www.softwareadvice.ie/software/92308/symantec-email-security-cloud)
    - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/92308/241895/symantec-email-security-cloud/vs/sentry-email-defence-service)
12. **Zerospam** — 4.8/5 (135 reviews) — Zerospam is a cloud-based email security software designed to help businesses detect potential threats across emails,...
    - [View profile](https://www.softwareadvice.ie/software/402072/zerospam)
    - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/241895/402072/sentry-email-defence-service/vs/zerospam)
13. **iQ.Suite aaS** (0 reviews) — iQ.Suite aaS is a comprehensive email management solution that provides enterprises using Microsoft 365 with email se...
    - [View profile](https://www.softwareadvice.ie/software/357153/iq-suite-aas)
    - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/241895/357153/sentry-email-defence-service/vs/iq-suite-aas)
14. **Cisco Secure Email** — 4.6/5 (25 reviews) — Cisco Secure Email is a cloud-based email security solution that helps businesses combat business email compromise (B...
    - [View profile](https://www.softwareadvice.ie/software/423820/cisco-secure-email)
    - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/241895/423820/sentry-email-defence-service/vs/cisco-secure-email)
15. **Mail Assure** — 4.5/5 (29 reviews) — N-able Mail Assure is a cloud-based email security solution designed to help businesses secure incoming and outgoing ...
    - [View profile](https://www.softwareadvice.ie/software/92530/solarwinds-mail-assure)
    - [Compare vs Sentry Email Defense Service](https://www.softwareadvice.ie/compare/92530/241895/solarwinds-mail-assure/vs/sentry-email-defence-service)

## Related Categories

- [Secure Email Gateway Software](https://www.softwareadvice.ie/directory/4447/secure-email-gateway/software)
- [Email Security Software](https://www.softwareadvice.ie/directory/4302/email-security/software)
- [Anti-spam Software](https://www.softwareadvice.ie/directory/4581/anti-spam/software)

## Links

- [View on SoftwareAdvice](https://www.softwareadvice.ie/alternatives/241895/sentry-email-defence-service)
- [View Product Profile](https://www.softwareadvice.ie/software/241895/sentry-email-defence-service)

-----

## Structured Data

<script type="application/ld+json">
  {"@context":"https://schema.org","@graph":[{"name":"Sentry Email Defense Service","description":"Discover alternatives to Sentry Email Defense Service and related software to quickly shortlist your selection and narrow down the right software for your organization on Software Advice Ireland.","url":"https://www.softwareadvice.ie/alternatives/241895/sentry-email-defence-service","about":{"@id":"https://www.softwareadvice.ie/alternatives/241895/sentry-email-defence-service#software"},"breadcrumb":{"@id":"https://www.softwareadvice.ie/alternatives/241895/sentry-email-defence-service#breadcrumblist"},"@id":"https://www.softwareadvice.ie/alternatives/241895/sentry-email-defence-service#webpage","@type":["WebPage","CollectionPage"],"isPartOf":{"@id":"https://www.softwareadvice.ie/#website"},"inLanguage":"en-IE","publisher":{"@id":"https://www.softwareadvice.ie/#organization"},"mainEntity":{"@id":"https://www.softwareadvice.ie/alternatives/241895/sentry-email-defence-service#software"}},{"name":"Sentry Email Defense Service","url":"https://www.softwareadvice.ie/software/241895/sentry-email-defence-service","@id":"https://www.softwareadvice.ie/software/241895/sentry-email-defence-service#software","@type":"SoftwareApplication","publisher":{"@id":"https://www.softwareadvice.ie/#organization"},"applicationCategory":"BusinessApplication","aggregateRating":{"@type":"AggregateRating","ratingValue":5.0,"bestRating":5,"ratingCount":1},"offers":{"price":"1","@type":"Offer"}},{"@id":"https://www.softwareadvice.ie/alternatives/241895/sentry-email-defence-service#breadcrumblist","@type":"BreadcrumbList","itemListElement":[{"name":"Home","position":1,"item":"/","@type":"ListItem"},{"name":"Secure Email Gateway Software","position":2,"item":"/directory/4447/secure-email-gateway/software","@type":"ListItem"},{"name":"Sentry Email Defense Service","position":3,"item":"/software/241895/sentry-email-defence-service","@type":"ListItem"},{"name":"Sentry Email Defense Service Alternatives","position":4,"item":"https://www.softwareadvice.ie/alternatives/241895/sentry-email-defence-service","@type":"ListItem"}]}]}
</script><script type="application/ld+json">
  {"name":"Sentry Email Defense Service Software Alternatives &amp; Similar Software - Software Advice Ireland","@context":"https://schema.org","@id":"https://www.softwareadvice.ie/alternatives/241895/sentry-email-defence-service#itemlist","@type":"ItemList","itemListElement":[{"name":"Trustifi","position":1,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/3709bbc5-5a7d-42d3-99ef-7c8907eae4c8.png","url":"https://www.softwareadvice.ie/software/439531/trustifi","@type":"ListItem"},{"name":"SpamTitan","position":2,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/cbe56bad-a39d-4fba-b6e6-28a77179630e.png","url":"https://www.softwareadvice.ie/software/243039/spamtitan","@type":"ListItem"},{"name":"Microsoft Defender for Office 365","position":3,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/26854cea-2c3d-4965-b62c-5a03de8b1773.png","url":"https://www.softwareadvice.ie/software/397740/microsoft-defender-for-office-365","@type":"ListItem"},{"name":"ESET Endpoint Security","position":4,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/1b5a4629-d4eb-49f6-966e-66b8bfe234da.jpeg","url":"https://www.softwareadvice.ie/software/134149/eset-endpoint-security","@type":"ListItem"},{"name":"Topsec Cloud Solutions","position":5,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/4bad9935-2214-4d90-af3b-95e7fbb878e6.png","url":"https://www.softwareadvice.ie/software/272403/blockmail","@type":"ListItem"},{"name":"Graphus","position":6,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/8fd52eea-438d-4694-9584-7412ef743ca1.jpeg","url":"https://www.softwareadvice.ie/software/426999/graphus","@type":"ListItem"},{"name":"ContentCatcher","position":7,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/7054224d-0c8a-4698-ae8d-56abb41ca8f3.png","url":"https://www.softwareadvice.ie/software/181507/contentcatcher","@type":"ListItem"},{"name":"McAfee Security for Email Servers","position":8,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/97ecfd02-3060-43b6-8b8a-03c272d77681.png","url":"https://www.softwareadvice.ie/software/247136/mcafee-security-for-email-servers","@type":"ListItem"},{"name":"SpamHero","position":9,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/cd7ee241-e458-4016-aeaa-ef4ddeb8f315.png","url":"https://www.softwareadvice.ie/software/307531/spamhero","@type":"ListItem"},{"name":"Security Gateway by MDaemon","position":10,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/fb32e15f-6bad-4e2a-9e53-293736dbbe35.png","url":"https://www.softwareadvice.ie/software/214939/security-gateway-by-mdaemon","@type":"ListItem"},{"name":"Symantec Email Security.cloud","position":11,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/1717d9f6-7c48-4180-972a-da5e5f422d73.png","url":"https://www.softwareadvice.ie/software/92308/symantec-email-security-cloud","@type":"ListItem"},{"name":"Zerospam","position":12,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/6e8b3b89-5f64-4fdc-85dc-127f3a0bf864.png","url":"https://www.softwareadvice.ie/software/402072/zerospam","@type":"ListItem"},{"name":"iQ.Suite aaS","position":13,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/20b965e0-dddc-4c1c-ab5f-7d41f0c9061c.png","url":"https://www.softwareadvice.ie/software/357153/iq-suite-aas","@type":"ListItem"},{"name":"Cisco Secure Email","position":14,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/8c318962-7771-4ce8-aabb-d540a7437c6d.png","url":"https://www.softwareadvice.ie/software/423820/cisco-secure-email","@type":"ListItem"},{"name":"Mail Assure","position":15,"image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/7486910c-60b7-4efe-a0da-ef67979334c1.png","url":"https://www.softwareadvice.ie/software/92530/solarwinds-mail-assure","@type":"ListItem"}],"numberOfItems":15}
</script>